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Nextiva XBert AI Receptionist vs OnCallClerk

The short answer

  • Nextiva XBert AI Receptionist costs least at 100 calls a month: $99.
  • OnCallClerk costs least at 500: $399.
  • OnCallClerk has the lowest advertised price, $29, but costs $99 at 100 calls.
  • Pick Nextiva XBert AI Receptionist if you want the lower bill at 100 calls.
  • Pick OnCallClerk if you want the lower bill at 500 calls, booking in Google Calendar or booking in Outlook.
Nextiva XBert AI Receptionist vs OnCallClerk, compared
Nextiva XBert AI Receptionistservice businesses missing calls on the job, from HVAC and dental to law firmsVisit siteOnCallClerksolo trades and service firms that need booking and urgent-call routing from day oneVisit site
Cost
At 100 calls a monthNextiva XBert AI Receptionist$99LowestOnCallClerk$99
At 500 calls a monthNextiva XBert AI Receptionist$495OnCallClerk$399Lowest
Advertised fromNextiva XBert AI Receptionist$99 a monthOnCallClerk$29 a month
The advertised plan coversNextiva XBert AI ReceptionistThe $99 plan covers all 100 calls.OnCallClerkThe $29 plan it advertises covers 72 of 100 calls. No price is published past that.
BillsNextiva XBert AI Receptionistper callOnCallClerkper minute
Keeps answering past your allowanceNextiva XBert AI ReceptionistYesCalls past the included 100 are not cut offOnCallClerkNot stated
Free trial or planNextiva XBert AI ReceptionistPartlyThere is a 14-day free trial of the receptionist with no commitmentOnCallClerkPartlyEvery plan opens with a 14-day free trial on a real number
Month to month, cancel onlineNextiva XBert AI ReceptionistYesThe XBert add-on is month to month with no long-term contractOnCallClerkYesBilling is month to month with no contract
On the call
Books appointmentsNextiva XBert AI ReceptionistYesXBert books into a connected calendar during the conversation, checking live availabilityOnCallClerkYesThe agent checks live calendar availability
Transfers to a personNextiva XBert AI ReceptionistYesCallers can be put through to a named team memberOnCallClerkYesTransfers are rule-based on call type, time of day or caller request
Human receptionists as backupNextiva XBert AI ReceptionistPartlyEscalation goes to the buyer's own staff, not to receptionists employed by NextivaOnCallClerkNoThere is no human team behind the agent
After-hours rulesNextiva XBert AI ReceptionistYesCoverage is explicitly round-the-clock including weekends and public holidaysOnCallClerkYesCoverage is round-the-clock including nights, weekends and public holidays
Urgent calls escalatedNextiva XBert AI ReceptionistYesThe vendor states urgent requests are passed to staff mid-conversationOnCallClerkYesYou set what counts as urgent
Texts your callersNextiva XBert AI ReceptionistYesThe same agent holds SMS and web chat conversations, sends booking linksOnCallClerkPartlyThe agent sends the caller an SMS confirmation when it books
Call summary by textNextiva XBert AI ReceptionistPartlySummaries, transcripts and reports arrive in the dashboard and as alertsOnCallClerkYesEvery call produces a transcript and structured summary delivered by email, SMS or both
Language, privacy and trying it
LanguagesNextiva XBert AI ReceptionistNot statedOnCallClerkNot stated
HIPAA, with a signed BAANextiva XBert AI ReceptionistPartlyNextiva advertises HIPAA compliance for patient callsOnCallClerkNot stated
Hear it before you buyNextiva XBert AI ReceptionistYesRecorded sample calls play on the product page for restaurant, healthcareOnCallClerkYesA toll-free US demo number is published for calling the AI receptionist yourself
What it connects to
Google CalendarNextiva XBert AI ReceptionistNoGoogle Calendar, Calendly and Cal.com are live at no costOnCallClerkYesGoogle Calendar is a native integration that writes the event mid-call
OutlookNextiva XBert AI ReceptionistNoGoogle Calendar, Calendly and Cal.com are live at no costOnCallClerkYesGoogle Calendar is a native integration that writes the event mid-call
CalendlyNextiva XBert AI ReceptionistNoGoogle Calendar, Calendly and Cal.com are live at no costOnCallClerkYesGoogle Calendar is a native integration that writes the event mid-call
Your trade’s softwareNextiva XBert AI ReceptionistPartlyTrade systems are covered broadly, but only Housecall Pro is liveOnCallClerkPartlyServiceTitan, Jobber and Housecall Pro are reached through signed webhooks rather than native apps, and no dental, legal
Keep your numberNextiva XBert AI ReceptionistNot statedOnCallClerkYesYou can keep your current business line and forward it to the agent
In short
What it isNextiva XBert AI ReceptionistXBert AI Receptionist is Nextiva's AI front desk that answers calls, texts and web chats, books appointments and hands callers to staff. It is sold as a $99 monthly package of 100 conversations, standalone or added to a Nextiva plan.All answers for Nextiva XBert AI ReceptionistOnCallClerkOnCallClerk is an AI receptionist that answers a small business's phone around the clock, holds a conversation, captures caller details, books appointments and transfers urgent calls. Setup is a no-code wizard with industry templates, a voice and either a new number or call forwarding.All answers for OnCallClerk
CheckedNextiva XBert AI ReceptionistOctober 15, 2026OnCallClerkOctober 15, 2026

Costs are for 100 or 500 calls a month of 2½ minutes each, on the cheapest public plan. How we price